<template>
  <div>
    <!-- 面包屑导航区域 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>

    <!-- 卡片视图区域 -->
    <el-card>
      <!-- 搜索与添加区域 -->
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input
            v-model="queryInfo.query"
            placeholder="请输入内容"
            clearable
            @clear="getGoodsList"
            @keyup.enter.native="getGoodsList"
          >
            <el-button
              slot="append"
              icon="el-icon-search"
              @click="getGoodsList"
            ></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="goAddpage">
            添加商品
          </el-button>
        </el-col>
      </el-row>

      <!-- table表格区域 -->
      <el-table :data="goodslist" border stripe>
        <!-- 索引列 -->
        <el-table-column
          type="index"
          label="#"
          align="center"
        ></el-table-column>

        <el-table-column label="商品名称" prop="goods_name"></el-table-column>
        <el-table-column
          label="商品价格(元)"
          prop="goods_price"
          width="103px"
          align="center"
        ></el-table-column>
        <el-table-column
          label="商品重量"
          prop="goods_weight"
          width="78px"
          align="center"
        ></el-table-column>
        <el-table-column
          label="创建时间"
          prop="add_time"
          width="110px"
          align="center"
        >
          <template slot-scope="scope">
            {{ scope.row.add_time | dateFormat }}
          </template>
        </el-table-column>
        <el-table-column label="操作" width="130px" align="center">
          <template slot-scope="scope">
            <el-button
              type="primary"
              icon="el-icon-edit"
              size="mini"
            ></el-button>
            <!-- 删除按钮 -->
            <el-button
              type="danger"
              icon="el-icon-delete"
              size="mini"
              @click="removeById(scope.row.goods_id)"
            ></el-button>
          </template>
        </el-table-column>
      </el-table>
      <!-- 分页区域 -->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[5, 10, 15, 20]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
        background
      >
      </el-pagination>
    </el-card>
  </div>
</template>
<script>
export default {
  data() {
    return {
      // 查询参数对象
      queryInfo: {
        query: "",
        pagenum: 1,
        pagesize: 10,
      },
      //  商品列表
      goodslist: [],
      // 总数据条数
      total: 0,
    };
  },

  // 生命周期函数
  created() {
    this.getGoodsList();
  },
  methods: {
    //   根据分页获取对应的商品列表
    async getGoodsList() {
      const { data: res } = await this.$http.get("goods", {
        params: this.queryInfo,
      });
      if (res.meta.status !== 200) {
        return this.$message.error(res.meta.msg);
      }
      this.$message.success(res.meta.msg);
      console.log(res.data);
      this.goodslist = res.data.goods;
      this.total = res.data.total;
    },
    //
    handleSizeChange(newSize) {
      this.queryInfo.pagesize = newSize;
      this.getGoodsList();
    },
    //
    handleCurrentChange(newPage) {
      this.queryInfo.pagenum = newPage;
      this.getGoodsList();
    },
    //根据id删除商品
    async removeById(id) {
      const confirmResult = await this.$confirm(
        "此操作将永久删除该商品, 是否继续?",
        "提示",
        {
          confirmButtonText: "确定",
          cancelButtonText: "取消",
          type: "warning",
        }
      ).catch((err) => err);
      if (confirmResult !== "confirm") {
        return this.$message.info("已取消删除");
      }
      //   进行删除操作
      const { data: res } = await this.$http.delete(`goods/${id}`);
      if (res.meta.status !== 200) {
        return this.$message.error(res.meta.msg);
      }
      this.$message.success(res.meta.msg);
      this.getGoodsList();
    },
    //点击跳转到添加商品的页面
    goAddpage() {
      this.$router.push("/goods/add");
    },
  },
};
</script>

<style scoped></style>
